diff --git a/SilicaDelta.sln b/SilicaDelta.sln new file mode 100644 index 0000000..2ed9623 --- /dev/null +++ b/SilicaDelta.sln @@ -0,0 +1,22 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio 15 +VisualStudioVersion = 15.0.26228.76 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SilicaDelta", "SilicaDelta\SilicaDelta.csproj", "{0BA82C17-E550-431D-B5CF-D03BA4C4E515}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {0BA82C17-E550-431D-B5CF-D03BA4C4E515}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {0BA82C17-E550-431D-B5CF-D03BA4C4E515}.Debug|Any CPU.Build.0 = Debug|Any CPU + {0BA82C17-E550-431D-B5CF-D03BA4C4E515}.Release|Any CPU.ActiveCfg = Release|Any CPU + {0BA82C17-E550-431D-B5CF-D03BA4C4E515}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection +EndGlobal diff --git a/SilicaDelta/App.config b/SilicaDelta/App.config new file mode 100644 index 0000000..88fa402 --- /dev/null +++ b/SilicaDelta/App.config @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/SilicaDelta/Program.cs b/SilicaDelta/Program.cs new file mode 100644 index 0000000..adfaf80 --- /dev/null +++ b/SilicaDelta/Program.cs @@ -0,0 +1,71 @@ +using System; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace SilicaDelta +{ + class Program + { + + public static void CreatePatch(Stream infile, Stream patchedFile, Stream outfile) + { + BinaryWriter boutfile = new BinaryWriter(outfile); + for (int i = 0; i < infile.Length; i++) + { + long pos = infile.Position; + byte infileByte = (byte)infile.ReadByte(); + byte patchedfileByte = (byte)patchedFile.ReadByte(); + + if (infileByte != patchedfileByte) + { + boutfile.Write((UInt64)pos); + outfile.WriteByte(patchedfileByte); + } + } + } + + public static void ApplyPatch(FileStream infile, FileStream patchedFile, FileStream outfile) + { + infile.CopyTo(outfile); + BinaryReader bpatch = new BinaryReader(patchedFile); + + while(patchedFile.Position < patchedFile.Length) + { + Int64 offset = bpatch.ReadInt64(); + outfile.Seek(offset, SeekOrigin.Begin); + outfile.WriteByte((byte)patchedFile.ReadByte()); + } + + + } + static void Main(string[] args) + { + if(args.Length != 4) + { + Console.WriteLine("SilicaDelta Usage: "); + return; + } + + FileStream infile = new FileStream(args[1], FileMode.OpenOrCreate, FileAccess.ReadWrite); + FileStream patchedFile = new FileStream(args[2], FileMode.OpenOrCreate, FileAccess.ReadWrite); + FileStream outfile = new FileStream(args[3], FileMode.CreateNew, FileAccess.ReadWrite); + if (args[0].ToLower() == "create") + { + CreatePatch(infile, patchedFile, outfile); + } + else if(args[0].ToLower() == "patch") + { + ApplyPatch(infile, patchedFile, outfile); + } + else + { + Console.WriteLine("Invalid mode! valid options are create or patch"); + return; + } + + } + } +} diff --git a/SilicaDelta/Properties/AssemblyInfo.cs b/SilicaDelta/Properties/AssemblyInfo.cs new file mode 100644 index 0000000..a2ddf6c --- /dev/null +++ b/SilicaDelta/Properties/AssemblyInfo.cs @@ -0,0 +1,36 @@ +using System.Reflection; +using System.Runtime.CompilerServices; +using System.Runtime.InteropServices; + +// General Information about an assembly is controlled through the following +// set of attributes. Change these attribute values to modify the information +// associated with an assembly. +[assembly: AssemblyTitle("SilicaDelta")] +[assembly: AssemblyDescription("")] +[assembly: AssemblyConfiguration("")] +[assembly: AssemblyCompany("")] +[assembly: AssemblyProduct("SilicaDelta")] +[assembly: AssemblyCopyright("Copyright © 2019")] +[assembly: AssemblyTrademark("")] +[assembly: AssemblyCulture("")] + +// Setting ComVisible to false makes the types in this assembly not visible +// to COM components. If you need to access a type in this assembly from +// COM, set the ComVisible attribute to true on that type. +[assembly: ComVisible(false)] + +// The following GUID is for the ID of the typelib if this project is exposed to COM +[assembly: Guid("0ba82c17-e550-431d-b5cf-d03ba4c4e515")] + +// Version information for an assembly consists of the following four values: +// +// Major Version +// Minor Version +// Build Number +// Revision +// +// You can specify all the values or you can default the Build and Revision Numbers +// by using the '*' as shown below: +// [assembly: AssemblyVersion("1.0.*")] +[assembly: AssemblyVersion("1.0.0.0")] +[assembly: AssemblyFileVersion("1.0.0.0")] diff --git a/SilicaDelta/SilicaDelta.csproj b/SilicaDelta/SilicaDelta.csproj new file mode 100644 index 0000000..ffe4ecf --- /dev/null +++ b/SilicaDelta/SilicaDelta.csproj @@ -0,0 +1,52 @@ + + + + + Debug + AnyCPU + {0BA82C17-E550-431D-B5CF-D03BA4C4E515} + Exe + SilicaDelta + SilicaDelta + v4.5.2 + 512 + true + + + AnyCPU + true + full + false + bin\Debug\ + DEBUG;TRACE + prompt + 4 + + + AnyCPU + pdbonly + true + bin\Release\ + TRACE + prompt + 4 + + + + + + + + + + + + + + + + + + + + \ No newline at end of file